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kernel/linux-rt-4.4.41/arch/powerpc/boot/cuboot-sam440ep.c 1.22 KB
5113f6f70   김현기   kernel add
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  /*
   * Old U-boot compatibility for Sam440ep based off bamboo.c code
   * original copyrights below
   *
   * Author: Josh Boyer <jwboyer@linux.vnet.ibm.com>
   *
   * Copyright 2007 IBM Corporation
   *
   * Based on cuboot-ebony.c
   *
   * Modified from cuboot-bamboo.c for sam440ep:
   * Copyright 2008 Giuseppe Coviello <gicoviello@gmail.com>
   *
   * This program is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 as published
   * by the Free Software Foundation.
   */
  
  #include "ops.h"
  #include "stdio.h"
  #include "44x.h"
  #include "4xx.h"
  #include "cuboot.h"
  
  #define TARGET_4xx
  #define TARGET_44x
  #include "ppcboot.h"
  
  static bd_t bd;
  
  static void sam440ep_fixups(void)
  {
         unsigned long sysclk = 66666666;
  
         ibm440ep_fixup_clocks(sysclk, 11059200, 25000000);
         ibm4xx_sdram_fixup_memsize();
         ibm4xx_quiesce_eth((u32 *)0xef600e00, (u32 *)0xef600f00);
         dt_fixup_mac_addresses(&bd.bi_enetaddr, &bd.bi_enet1addr);
  }
  
  void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
  		unsigned long r6, unsigned long r7)
  {
  	CUBOOT_INIT();
  	platform_ops.fixups = sam440ep_fixups;
  	platform_ops.exit = ibm44x_dbcr_reset;
  	fdt_init(_dtb_start);
  	serial_console_init();
  }